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WO2019218471A1 - Écran d'affichage, son procédé de fabrication et dispositif d'affichage - Google Patents

Écran d'affichage, son procédé de fabrication et dispositif d'affichage Download PDF

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Publication number
WO2019218471A1
WO2019218471A1 PCT/CN2018/097406 CN2018097406W WO2019218471A1 WO 2019218471 A1 WO2019218471 A1 WO 2019218471A1 CN 2018097406 W CN2018097406 W CN 2018097406W WO 2019218471 A1 WO2019218471 A1 WO 2019218471A1
Authority
WO
WIPO (PCT)
Prior art keywords
display device
sub
pixel
substrate
adjacent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/097406
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English (en)
Chinese (zh)
Inventor
简庆宏
徐湘伦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US16/114,181 priority Critical patent/US20190348477A1/en
Publication of WO2019218471A1 publication Critical patent/WO2019218471A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels

Definitions

  • the present application relates to the field of display technologies, and in particular, to a display panel, a method for fabricating the same, and a display device.
  • OLEDs Organic light-emitting diodes
  • OLEDs have the advantages of high contrast, wide color gamut, self-illumination, fast response, and the like, especially in the flexible display technology.
  • OLED has achieved excellent results in the field of display and illumination, how to improve ultra-high resolution of OLED is still to be explored.
  • the technical problem to be solved by the present application is to provide a display panel, a manufacturing method thereof, and a display device, which can improve the density of sub-pixels in the display panel, thereby increasing the resolution of the display panel and improving the resolution of the display panel.
  • the display panel includes a first substrate and a second substrate disposed opposite to each other, and a first substrate is disposed on a side close to the second substrate.
  • a display device a second display device is disposed on a side of the second substrate adjacent to the first substrate, and the light emitting surfaces of the first display device and the second display device face the second substrate; wherein the first substrate and the second substrate are a two-part substrate formed by bending a flexible substrate;
  • the first display device comprises a first display layer, a first encapsulation layer and a first optical film, the first display layer is adjacent to the first substrate;
  • the second display device comprises a second display layer, a second encapsulation layer, and a second optical film, wherein the second display layer is adjacent to the second substrate side; wherein the sub-pixels of the first display device and the sub-pixels of the second display device are alternately disposed, And a region of the second display device corresponding to
  • a display panel including a first substrate and a second substrate disposed opposite to each other, and a side of the first substrate adjacent to the second substrate is provided a display device, a second display device is disposed on a side of the second substrate adjacent to the first substrate, and the light emitting surfaces of the first display device and the second display device face the second substrate; wherein the sub-pixel and the first display device
  • the sub-pixel interleaving corresponding setting of the two display devices, and the region corresponding to the sub-pixel of the first display device in the second display device is a light-transmitting region.
  • another technical solution adopted by the present application is to provide a method for fabricating a display panel, the method comprising: providing a flexible substrate; forming two first regions on two sides on the same side of the flexible substrate And a second display device; wherein, the light emitting surfaces of the first display device and the second display device face the second substrate; the flexible substrate is bent to set the first display device and the second display device oppositely; wherein A sub-pixel of a display device and a sub-pixel of the second display device are alternately arranged, and a region of the second display device corresponding to the sub-pixel of the first display device is a light-transmitting region.
  • the application of the present application is different from the prior art.
  • the display panel provided by the present application includes a first substrate and a second substrate disposed opposite to each other, and a first display device is disposed on a side of the first substrate adjacent to the second substrate.
  • a second display device is disposed on a side of the second substrate adjacent to the first substrate, and the light emitting surfaces of the first display device and the second display device face the second substrate; wherein the sub-pixels of the first display device and the second display device The sub-pixels are alternately arranged, and a region of the second display device corresponding to the sub-pixel of the first display device is a light-transmitting region.
  • FIG. 1 is a schematic structural view of a first embodiment of a display panel provided by the present application.
  • FIG. 2 is a schematic structural view of a second embodiment of a display panel provided by the present application.
  • FIG. 3 is a schematic structural view of a third embodiment of a display panel provided by the present application.
  • FIG. 4 is a schematic flow chart of an embodiment of a method for fabricating a display panel provided by the present application
  • step 42 is a schematic structural diagram of step 42 in an embodiment of a method for fabricating a display panel provided by the present application
  • FIG. 6 is a schematic structural view of a fourth embodiment of a display panel provided by the present application.
  • FIG. 7 is a schematic structural view of a fifth embodiment of a display panel provided by the present application.
  • references to "an embodiment” herein mean that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of the present application.
  • the appearances of the phrases in various places in the specification are not necessarily referring to the same embodiments, and are not exclusive or alternative embodiments that are mutually exclusive. Those skilled in the art will understand and implicitly understand that the embodiments described herein can be combined with other embodiments.
  • the display panel generally includes a plurality of pixels distributed in an array, each pixel including a plurality of sub-pixels.
  • one pixel may include three sub-pixels, which are red (R), green (G), and blue (B), respectively.
  • R red
  • G green
  • B blue
  • the precision of the mask limits the density of the pixel, and the pixel is limited by the high precision metal mask (FMM).
  • FMM metal mask
  • FIG. 1 is a schematic structural diagram of a first embodiment of a display panel provided by the present application.
  • the display panel includes a first substrate 10 and a second substrate 20 disposed opposite to each other, and a side of the first substrate 11 adjacent to the second substrate 20 A first display device 11 is disposed, and a second display device 21 is disposed on a side of the second substrate 20 adjacent to the first substrate 10.
  • the light-emitting surfaces of the first display device 11 and the second display device 21 face the second substrate 20.
  • the sub-pixels of the first display device 11 and the sub-pixels of the second display device 21 are alternately arranged.
  • the sub-pixels of the first display device 11 are cyclically arranged in the order of green, red, and blue; and the sub-pixels of the second display device 21 are cyclically arranged in the order of red, blue, and green.
  • the colors of the seven sub-pixels of a1 - a7 are sequentially: green, red, blue, green, red, blue, green, in the second display device 21
  • the color of the eight sub-pixels of b1 - b8 is: red, blue, green, red, blue, green, red, blue.
  • the green sub-pixel of the first display device 11 corresponds to the gap between the red sub-pixel and the blue sub-pixel adjacent to the second display device 21, and the red sub-pixel of the first display device 11 corresponds to the second display device 21
  • the gap between the adjacent blue sub-pixel and the green sub-pixel is set, and the blue sub-pixel of the first display device 11 corresponds to the gap between the green sub-pixel and the red sub-pixel adjacent to the second display device 21.
  • a1 corresponds to the gap setting between b1 and b2
  • a2 corresponds to the gap setting between b2 and b3
  • a3 corresponds to the gap setting between b3 and b4, and so on, and will not be enumerated here.
  • the regions corresponding to the sub-pixels of the first display device 11 on the second substrate 20 and the second display device 21 are light-transmitting regions. Specifically, a region between every two sub-pixels in the second display device 21 is a light-transmitting region, for example, a region between b1 and b2 is a light-transmitting region, and a region between b2 and b3 is a light-transmitting region, This type of push.
  • the display panel provided by the embodiment includes a first substrate and a second substrate disposed opposite to each other, and a first display device is disposed on a side of the first substrate adjacent to the second substrate, and a side of the second substrate is adjacent to the first substrate a second display device is disposed, wherein the light emitting surfaces of the first display device and the second display device face the second substrate; wherein the sub-pixels of the first display device and the sub-pixels of the second display device are alternately arranged, and the second display
  • the area of the device corresponding to the sub-pixel of the first display device is a light transmissive area.
  • FIG. 2 is a schematic structural diagram of a second embodiment of a display panel provided by the present application.
  • the display panel includes a first substrate 10 and a second substrate 20 disposed opposite to each other, and a side of the first substrate 11 adjacent to the second substrate 20 A first display device 11 is disposed, and a second display device 21 is disposed on a side of the second substrate 20 adjacent to the first substrate 10.
  • the light-emitting surfaces of the first display device 11 and the second display device 21 face the second substrate 20.
  • the sub-pixels of the first display device 11 and the sub-pixels of the second display device 21 are alternately arranged.
  • the sub-pixels of the first display device 11 are cyclically arranged in the order of red, blue, and green; the sub-pixels of the second display device 21 are cycled in the order of green, red, and blue. arrangement;
  • the colors of the eight sub-pixels of a1 - a8 are: red, blue, green, red, blue, green, red, blue, in the second display.
  • the colors of the seven sub-pixels b1 - b7 are: green, red, blue, green, red, blue, and green.
  • the green sub-pixel of the second display device 21 corresponds to the gap between the red sub-pixel and the blue sub-pixel adjacent to the first display device 11, and the red sub-pixel of the second display device 21 corresponds to the first display device 11
  • the gap between the adjacent blue sub-pixel and the green sub-pixel is set, and the blue sub-pixel of the second display device 21 corresponds to the gap between the green sub-pixel and the red sub-pixel adjacent to the first display device 11.
  • b1 corresponds to the gap setting between a1 and a2
  • b2 corresponds to the gap setting between a2 and a3
  • b3 corresponds to the gap setting between a3 and a4, and so on, and will not be enumerated here.
  • the light emitting surfaces of the first display device 11 and the second display device 21 are all facing the second substrate 20, the light emitted by the sub-pixels on the first display device 11 needs to penetrate the second display device 21 . And the second substrate 20, and therefore, the regions corresponding to the sub-pixels of the first display device 11 on the second substrate 20 and the second display device 21 are light-transmitting regions.
  • a region between every two sub-pixels in the second display device 21 is a light-transmitting region, for example, a region between a1 and a2 is a light-transmitting region, and a region between a2 and a3 is a light-transmitting region,
  • the area before the first sub-pixel b1 and the area after the last sub-pixel b7 should also be the light-transmitting area.
  • FIG. 3 is a schematic structural diagram of a third embodiment of a display panel provided by the present application.
  • the display panel includes a first substrate 10 and a second substrate 20 disposed opposite to each other, and a side of the first substrate 11 adjacent to the second substrate 20 A first display device 11 is disposed, and a second display device 21 is disposed on a side of the second substrate 20 adjacent to the first substrate 10.
  • the light-emitting surfaces of the first display device 11 and the second display device 21 face the second substrate 20.
  • the first substrate 10 and the second substrate 20 are two-part substrates formed by bending a single flexible substrate.
  • FIG. 4 is a schematic flowchart diagram of an embodiment of a method for fabricating a display panel according to the present application. The method includes:
  • Step 41 Providing a flexible substrate.
  • Step 42 Forming a first display device and a second display device on two regions on the same side of the flexible substrate, respectively.
  • FIG. 5 is a schematic structural diagram of step 42 in an embodiment of a method for fabricating a display panel provided by the present application, wherein the first substrate 10 and the second substrate 20 are a single flexible substrate, and FIG. 5 includes three.
  • the first part is a top view
  • the second part is a side view
  • the third part is a side view after the flexible substrate is bent.
  • first substrate 10 and the second substrate 20 may be defined in advance on the flexible substrate, and the A region, the B region, and the bending line between the A region and the B region may be defined. Then, the first display device 11 and the second display device 22 are formed in the A region and the B region, respectively.
  • the sealant 30 and the driving circuit 40 may also be formed on the first substrate 10.
  • the frame glue 30 is applied to the three frame areas outside the first display device 11, and the side of the bending line is not coated with the sealant.
  • the driving circuit 40 is coupled to the first display device 11 and the second display device.
  • Step 43 Bending the flexible substrate to position the first display device and the second display device oppositely.
  • the first substrate 10 and the second substrate 20 are bonded to form a closed space, and the first display device 11 and the second display device 21 are located in the sealed space.
  • the sealant is generally a UV glue. After the first substrate 10 and the second substrate 20 are bent, UV light irradiation is required to cure the UV glue.
  • the light emitting surfaces of the first display device 11 and the second display device 21 are both directed toward the second substrate 20; the sub-pixels of the first display device 11 and the sub-pixels of the second display device 21 are alternately disposed, and the second display device 21 is disposed.
  • the area corresponding to the sub-pixel of the first display device 11 is a light-transmitting area.
  • FIG. 6 is a schematic structural diagram of a fourth embodiment of a display panel according to the present application.
  • the display panel includes a first substrate 10 and a second substrate 20 disposed opposite to each other, and a side of the first substrate 11 adjacent to the second substrate 20 .
  • a first display device 11 is disposed, and a second display device 21 is disposed on a side of the second substrate 20 adjacent to the first substrate 10.
  • the light-emitting surfaces of the first display device 11 and the second display device 21 face the second substrate 20.
  • the first display device 11 includes a first display layer 111, a first encapsulation layer 112, and a first optical film 113, which are disposed in a stack, the first display layer 111 is adjacent to the first substrate 10 side, and the second display device 21 includes a stack.
  • the second display layer 211, the second encapsulation layer 212, and the second optical film 213 are disposed, and the second display layer 211 is adjacent to the second substrate 20 side.
  • both display devices are first made of a display layer, and an encapsulation layer is formed, and finally an optical film is produced. Therefore, after the first substrate 10 and the second substrate 20 are bent, the second optical film 213 of the second display device 21 is close to the first substrate 10 side.
  • the first display layer 111 includes a first anode, a first luminescent layer, and a first cathode (not shown) stacked in a stack, the first anode being adjacent to the side of the first substrate 10, and the first cathode being a transparent electrode.
  • the light emitting surface of the display panel is an upper side. Therefore, the lower surface of the first display device 11 does not need to emit light, so the anode of the first display device 11 can be With a metal electrode (such as Mg, Al), the upper surface of the first display device 11 needs to emit light, so the cathode of the first display device 11 can be a transparent electrode (such as ITO).
  • the second display layer 211 includes a second anode, a second luminescent layer, and a second cathode (not shown) stacked in a stack, the second anode is adjacent to the side of the second substrate 20, and the second anode and the second cathode are both It is a transparent electrode.
  • the light emitting surface of the display panel is the upper side, but the lower surface of the second display device 21 is required to transmit light so that the light emitted by the first display device 11 It is transparent, and therefore, both the anode and the cathode of the first display device 11 need to adopt a transparent electrode (such as ITO).
  • FIG. 7 is a schematic structural diagram of a fifth embodiment of a display panel provided by the present application.
  • the display panel includes a first substrate 10 and a second substrate 20 disposed opposite to each other, and a side of the first substrate 11 adjacent to the second substrate 20 .
  • a first display device 11 is disposed, and a second display device 21 is disposed on a side of the second substrate 20 adjacent to the first substrate 10.
  • the light-emitting surfaces of the first display device 11 and the second display device 21 face the second substrate 20.
  • the sub-pixels of the first display device 11 and the sub-pixels of the second display device 21 are alternately disposed, and the region of the second display device 21 corresponding to the sub-pixels of the first display device 11 is a light-transmitting region.
  • the light shielding region 50 may be disposed around the sub-pixel of the second display device 21, and the sub-pixel in the first display device 11 corresponds to the adjacent two of the second display device 21. The gap between the light-shielding regions 50 of the sub-pixels is set.
  • the above-described light shielding region can be fabricated by using a black matrix (BM).
  • BM black matrix
  • the present application further provides a display device, which may specifically be an OLED display device, which can be applied to a mobile phone, a television, and other electronic devices having a display function.
  • the display device of the present embodiment includes the display panel provided in the above embodiments, or is manufactured by using the manufacturing method of the display panel provided in the above embodiments, and the structure and the manufacturing method thereof are similar, and details are not described herein again.

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  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

La présente invention concerne un écran d'affichage, son procédé de fabrication et un dispositif d'affichage. L'écran d'affichage comprend un premier substrat (10) et un second substrat (20) disposés en regard l'un de l'autre. Un premier dispositif d'affichage (11) est disposé sur le premier substrat (10) du côté proche du second substrat (20) ; un second dispositif d'affichage (21) est disposé sur le second substrat (20) du côté proche du premier substrat (10) ; des surfaces d'émission de lumière du premier dispositif d'affichage (11) et du second dispositif d'affichage (21) font face au second substrat (20) ; des sous-pixels du premier dispositif d'affichage (11) et des sous-pixels du second dispositif d'affichage (21) sont décalés d'une manière correspondante, et une zone du second dispositif d'affichage (21) qui correspond aux sous-pixels du premier dispositif d'affichage (11) est une zone transmettant la lumière. Par conséquent, la densité des sous-pixels dans l'écran d'affichage peut être augmentée, et le rapport de résolution de l'écran d'affichage est ainsi amélioré et la résolution de l'écran d'affichage est améliorée.
PCT/CN2018/097406 2018-05-14 2018-07-27 Écran d'affichage, son procédé de fabrication et dispositif d'affichage Ceased WO2019218471A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/114,181 US20190348477A1 (en) 2018-05-14 2018-08-27 Display panel and manufacturing method thereof and display device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810455728.1 2018-05-14
CN201810455728.1A CN108666351A (zh) 2018-05-14 2018-05-14 一种显示面板及其制作方法、显示装置

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US16/114,181 Continuation US20190348477A1 (en) 2018-05-14 2018-08-27 Display panel and manufacturing method thereof and display device

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WO2019218471A1 true WO2019218471A1 (fr) 2019-11-21

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109449184B (zh) * 2018-10-31 2021-02-23 武汉天马微电子有限公司 一种显示面板及显示装置
CN111613132A (zh) * 2019-02-26 2020-09-01 昆山工研院新型平板显示技术中心有限公司 可拉伸显示屏及显示装置
WO2021077429A1 (fr) * 2019-10-25 2021-04-29 南昌欧菲生物识别技术有限公司 Écran d'affichage, ensemble d'affichage et dispositif électronique
CN111025796A (zh) 2019-12-06 2020-04-17 深圳市华星光电半导体显示技术有限公司 一种液晶显示面板和显示装置
CN111211155A (zh) * 2020-03-19 2020-05-29 武汉华星光电半导体显示技术有限公司 有机发光二极管显示面板
CN111415964A (zh) * 2020-04-17 2020-07-14 武汉华星光电半导体显示技术有限公司 Oled显示屏以及显示装置
CN114023243B (zh) * 2021-11-24 2024-01-16 北京有竹居网络技术有限公司 多层显示面板及其控制方法、控制装置、设备和存储介质
CN115411077A (zh) * 2022-08-08 2022-11-29 昆山国显光电有限公司 显示面板及电子设备

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US9231227B2 (en) * 2011-10-28 2016-01-05 Universal Display Corporation OLED display architecture
CN105280111A (zh) * 2015-11-11 2016-01-27 武汉华星光电技术有限公司 透明显示器
CN105932036A (zh) * 2016-05-10 2016-09-07 武汉华星光电技术有限公司 一种双面oled显示器及其制造方法
CN107665953A (zh) * 2016-07-28 2018-02-06 环球展览公司 极高分辨率堆叠oled显示器和其制造方法

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CN104391407A (zh) * 2014-12-15 2015-03-04 京东方科技集团股份有限公司 显示装置以及显示装置的显示方法
CN104765157A (zh) * 2015-05-06 2015-07-08 京东方科技集团股份有限公司 显示面板及其显示方法、显示装置
CN105280111A (zh) * 2015-11-11 2016-01-27 武汉华星光电技术有限公司 透明显示器
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